Optimize Tomcat thread pool adaptation

pull/275/head
chen.ma 2 years ago
parent 3014bf36f1
commit 7425dbbe90

@ -71,32 +71,16 @@ public class TomcatWebThreadPoolHandler extends AbstractWebThreadPoolService {
@Override
public ThreadPoolBaseInfo simpleInfo() {
ThreadPoolBaseInfo poolBaseInfo = new ThreadPoolBaseInfo();
int corePoolSize, maximumPoolSize, queueCapacity;
long keepAliveTime;
String rejectedExecutionHandlerName;
BlockingQueue<Runnable> blockingQueue;
if (executor instanceof ThreadPoolExecutor) {
ThreadPoolExecutor threadPoolExecutor = (ThreadPoolExecutor) executor;
corePoolSize = threadPoolExecutor.getCorePoolSize();
maximumPoolSize = threadPoolExecutor.getMaximumPoolSize();
keepAliveTime = threadPoolExecutor.getKeepAliveTime(TimeUnit.SECONDS);
blockingQueue = threadPoolExecutor.getQueue();
int queueSize = blockingQueue.size();
int remainingCapacity = blockingQueue.remainingCapacity();
queueCapacity = queueSize + remainingCapacity;
RejectedExecutionHandler rejectedExecutionHandler = threadPoolExecutor.getRejectedExecutionHandler();
rejectedExecutionHandlerName = rejectedExecutionHandler.getClass().getSimpleName();
} else {
org.apache.tomcat.util.threads.ThreadPoolExecutor tomcatThreadPoolExecutor = (org.apache.tomcat.util.threads.ThreadPoolExecutor) executor;
corePoolSize = tomcatThreadPoolExecutor.getCorePoolSize();
maximumPoolSize = tomcatThreadPoolExecutor.getMaximumPoolSize();
keepAliveTime = tomcatThreadPoolExecutor.getKeepAliveTime(TimeUnit.SECONDS);
blockingQueue = tomcatThreadPoolExecutor.getQueue();
int corePoolSize = tomcatThreadPoolExecutor.getCorePoolSize();
int maximumPoolSize = tomcatThreadPoolExecutor.getMaximumPoolSize();
long keepAliveTime = tomcatThreadPoolExecutor.getKeepAliveTime(TimeUnit.SECONDS);
BlockingQueue<?> blockingQueue = tomcatThreadPoolExecutor.getQueue();
int queueSize = blockingQueue.size();
int remainingCapacity = blockingQueue.remainingCapacity();
queueCapacity = queueSize + remainingCapacity;
rejectedExecutionHandlerName = tomcatThreadPoolExecutor.getRejectedExecutionHandler().getClass().getSimpleName();
}
int queueCapacity = queueSize + remainingCapacity;
String rejectedExecutionHandlerName = executor instanceof ThreadPoolExecutor ? ((ThreadPoolExecutor) executor).getRejectedExecutionHandler().getClass().getSimpleName()
: tomcatThreadPoolExecutor.getRejectedExecutionHandler().getClass().getSimpleName();
poolBaseInfo.setCoreSize(corePoolSize);
poolBaseInfo.setMaximumSize(maximumPoolSize);
poolBaseInfo.setKeepAliveTime(keepAliveTime);
@ -109,20 +93,11 @@ public class TomcatWebThreadPoolHandler extends AbstractWebThreadPoolService {
@Override
public ThreadPoolParameter getWebThreadPoolParameter() {
ThreadPoolParameterInfo parameterInfo = new ThreadPoolParameterInfo();
int minThreads, maxThreads;
long keepAliveTime;
try {
if (executor instanceof ThreadPoolExecutor) {
ThreadPoolExecutor tomcatExecutor = (ThreadPoolExecutor) executor;
minThreads = tomcatExecutor.getCorePoolSize();
maxThreads = tomcatExecutor.getMaximumPoolSize();
keepAliveTime = tomcatExecutor.getKeepAliveTime(TimeUnit.SECONDS);
} else {
org.apache.tomcat.util.threads.ThreadPoolExecutor tomcatThreadPoolExecutor = (org.apache.tomcat.util.threads.ThreadPoolExecutor) executor;
minThreads = tomcatThreadPoolExecutor.getCorePoolSize();
maxThreads = tomcatThreadPoolExecutor.getMaximumPoolSize();
keepAliveTime = tomcatThreadPoolExecutor.getKeepAliveTime(TimeUnit.SECONDS);
}
int minThreads = tomcatThreadPoolExecutor.getCorePoolSize();
int maxThreads = tomcatThreadPoolExecutor.getMaximumPoolSize();
long keepAliveTime = tomcatThreadPoolExecutor.getKeepAliveTime(TimeUnit.SECONDS);
parameterInfo.setCoreSize(minThreads);
parameterInfo.setMaxSize(maxThreads);
parameterInfo.setKeepAliveTime((int) keepAliveTime);
@ -183,26 +158,14 @@ public class TomcatWebThreadPoolHandler extends AbstractWebThreadPoolService {
@Override
public void updateWebThreadPool(ThreadPoolParameterInfo threadPoolParameterInfo) {
int originalCoreSize, originalMaximumPoolSize;
long originalKeepAliveTime;
try {
if (executor instanceof ThreadPoolExecutor) {
ThreadPoolExecutor threadPoolExecutor = (ThreadPoolExecutor) executor;
originalCoreSize = threadPoolExecutor.getCorePoolSize();
originalMaximumPoolSize = threadPoolExecutor.getMaximumPoolSize();
originalKeepAliveTime = threadPoolExecutor.getKeepAliveTime(TimeUnit.SECONDS);
threadPoolExecutor.setCorePoolSize(threadPoolParameterInfo.corePoolSizeAdapt());
threadPoolExecutor.setMaximumPoolSize(threadPoolParameterInfo.maximumPoolSizeAdapt());
threadPoolExecutor.setKeepAliveTime(threadPoolParameterInfo.getKeepAliveTime(), TimeUnit.SECONDS);
} else {
org.apache.tomcat.util.threads.ThreadPoolExecutor tomcatThreadPoolExecutor = (org.apache.tomcat.util.threads.ThreadPoolExecutor) executor;
originalCoreSize = tomcatThreadPoolExecutor.getCorePoolSize();
originalMaximumPoolSize = tomcatThreadPoolExecutor.getMaximumPoolSize();
originalKeepAliveTime = tomcatThreadPoolExecutor.getKeepAliveTime(TimeUnit.SECONDS);
int originalCoreSize = tomcatThreadPoolExecutor.getCorePoolSize();
int originalMaximumPoolSize = tomcatThreadPoolExecutor.getMaximumPoolSize();
long originalKeepAliveTime = tomcatThreadPoolExecutor.getKeepAliveTime(TimeUnit.SECONDS);
tomcatThreadPoolExecutor.setCorePoolSize(threadPoolParameterInfo.corePoolSizeAdapt());
tomcatThreadPoolExecutor.setMaximumPoolSize(threadPoolParameterInfo.maximumPoolSizeAdapt());
tomcatThreadPoolExecutor.setKeepAliveTime(threadPoolParameterInfo.getKeepAliveTime(), TimeUnit.SECONDS);
}
log.info("[TOMCAT] Changed web thread pool. corePoolSize :: [{}], maximumPoolSize :: [{}], keepAliveTime :: [{}]",
String.format(CHANGE_DELIMITER, originalCoreSize, threadPoolParameterInfo.corePoolSizeAdapt()),
String.format(CHANGE_DELIMITER, originalMaximumPoolSize, threadPoolParameterInfo.maximumPoolSizeAdapt()),

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